<template>
  <div
    :style="'height:' + height"
    v-loading="loading"
    class="iframe"
    element-loading-text="正在加载页面，请稍候！"
  >
    <iframe
      :id="iframeId"
      style="width: 100%; height: 100%"
      :src="src"
      frameborder="no"
    ></iframe>
  </div>
</template>

<script>
export default {
  name: 'OutSidePage',
  props: {
    iframeId: {
      type: String
    }
  },
  data() {
    return {
      loading: false,
      height: document.documentElement.clientHeight - 50 + 'px;',
      src: ''
    }
  },
  created() {
    this.setIframeUrl()
  },
  mounted() {
    var _this = this
    const iframeId = ('#' + this.iframeId).replace(/\//g, '\\/')
    const iframe = document.querySelector(iframeId)
    // iframe页面loading控制
    if (iframe.attachEvent) {
      this.loading = true
      iframe.attachEvent('onload', function () {
        _this.loading = false
      })
    } else {
      this.loading = true
      iframe.onload = function () {
        _this.loading = false
      }
    }
  },
  methods: {
    replacePrefix(inputString) {
      // 替换 @ 开头
      const resultWithoutAt = inputString.replace(/^@/, '')
      // 替换 http 或 https 开头
      const resultWithoutHttp = resultWithoutAt.replace(
        /^(https?|http):\/\//,
        ''
      )

      return resultWithoutHttp
    },
    setIframeUrl() {
      const { meta = {} } = this.$route || {}
      const { url } = meta || {}
      this.src = this.replacePrefix(url) || '/energy-carbon/doc.html'
    }
  }
}
</script>
